<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <title>Returns the Relaxed Extended JSON representation of a BSON value</title>
 </head>
 <body class="docs"><div id="layout">
  <div id="layout-content"><div id="function.mongodb.bson-torelaxedextendedjson" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">MongoDB\BSON\toRelaxedExtendedJSON</h1>
  <p class="verinfo">(mongodb &gt;=1.3.0)</p><p class="refpurpose"><span class="refname">MongoDB\BSON\toRelaxedExtendedJSON</span> &mdash; <span class="dc-title">Returns the Relaxed Extended JSON representation of a BSON value</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.mongodb.bson-torelaxedextendedjson-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>MongoDB\BSON\toRelaxedExtendedJSON</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$bson</code></span>
   ) : <span class="type">string</span></div>

  <p class="para rdfs-comment">
   Converts a BSON string to its
   <a href="https://github.com/mongodb/specifications/blob/master/source/extended-json.rst#relaxed-extended-json-example" class="link external">&raquo;&nbsp;Relaxed Extended JSON</a>
   representation. The relaxed format prefers use of JSON type primitives at the
   expense of type fidelity and is most suited for producing output that can be
   easily consumed by web APIs and humans.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.mongodb.bson-torelaxedextendedjson-parameters">
  <h3 class="title">参数</h3>
  <dl>

   
    <dt>
<code class="parameter">bson</code> (<span class="type"><a href="language.types.string.html" class="type string">string</a></span>)</dt>

    <dd>

     <p class="para">
      BSON value to be converted.
     </p>
    </dd>

   
  </dl>

 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.mongodb.bson-torelaxedextendedjson-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   The converted JSON value.
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-function.mongodb.bson-torelaxedextendedjson-errors">
  <h3 class="title">错误／异常</h3>
  <ul class="simplelist">
   <li class="member">Throws <a href="class.mongodb_driver_exception_unexpectedvalueexception.html" class="classname">MongoDB\Driver\Exception\UnexpectedValueException</a> if the input did not contain exactly one BSON document. Possible reasons include, but are not limited to, invalid BSON, extra data (after reading one BSON document), or an unexpected <a href="https://github.com/mongodb/libbson" class="link external">&raquo;&nbsp;libbson</a> error.</li>
  </ul>
 </div>


 <div class="refsect1 examples" id="refsect1-function.mongodb.bson-torelaxedextendedjson-examples">
  <h3 class="title">范例</h3>
  <div class="example" id="example-1709">
   <p><strong>Example #1 <span class="function"><strong>MongoDB\BSON\toRelaxedExtendedJSON()</strong></span> example</strong></p>
   <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br />$documents&nbsp;</span><span style="color: #007700">=&nbsp;[<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'null'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">null&nbsp;</span><span style="color: #007700">],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'boolean'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">true&nbsp;</span><span style="color: #007700">],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'string'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #DD0000">'foo'&nbsp;</span><span style="color: #007700">],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'int32'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">123&nbsp;</span><span style="color: #007700">],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'int64'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">4294967295&nbsp;</span><span style="color: #007700">],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'double'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">1.0</span><span style="color: #007700">,&nbsp;],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'nan'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">NAN&nbsp;</span><span style="color: #007700">],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'pos_inf'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">INF&nbsp;</span><span style="color: #007700">],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'neg_inf'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;-</span><span style="color: #0000BB">INF&nbsp;</span><span style="color: #007700">],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'array'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;[&nbsp;</span><span style="color: #DD0000">'foo'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'bar'&nbsp;</span><span style="color: #007700">]],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'document'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;[&nbsp;</span><span style="color: #DD0000">'foo'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #DD0000">'bar'&nbsp;</span><span style="color: #007700">]],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'oid'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;new&nbsp;</span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">BSON</span><span style="color: #007700">\</span><span style="color: #0000BB">ObjectId</span><span style="color: #007700">(</span><span style="color: #DD0000">'56315a7c6118fd1b920270b1'</span><span style="color: #007700">)&nbsp;],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'dec128'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;new&nbsp;</span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">BSON</span><span style="color: #007700">\</span><span style="color: #0000BB">Decimal128</span><span style="color: #007700">(</span><span style="color: #DD0000">'1234.5678'</span><span style="color: #007700">)&nbsp;],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'binary'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;new&nbsp;</span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">BSON</span><span style="color: #007700">\</span><span style="color: #0000BB">Binary</span><span style="color: #007700">(</span><span style="color: #DD0000">'foo'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">BSON</span><span style="color: #007700">\</span><span style="color: #0000BB">Binary</span><span style="color: #007700">::</span><span style="color: #0000BB">TYPE_GENERIC</span><span style="color: #007700">)&nbsp;],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'date'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;new&nbsp;</span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">BSON</span><span style="color: #007700">\</span><span style="color: #0000BB">UTCDateTime</span><span style="color: #007700">(</span><span style="color: #0000BB">1445990400000</span><span style="color: #007700">)&nbsp;],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'timestamp'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;new&nbsp;</span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">BSON</span><span style="color: #007700">\</span><span style="color: #0000BB">Timestamp</span><span style="color: #007700">(</span><span style="color: #0000BB">1234</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">5678</span><span style="color: #007700">)&nbsp;],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'regex'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;new&nbsp;</span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">BSON</span><span style="color: #007700">\</span><span style="color: #0000BB">Regex</span><span style="color: #007700">(</span><span style="color: #DD0000">'pattern'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'i'</span><span style="color: #007700">)&nbsp;],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'code'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;new&nbsp;</span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">BSON</span><span style="color: #007700">\</span><span style="color: #0000BB">Javascript</span><span style="color: #007700">(</span><span style="color: #DD0000">'function()&nbsp;{&nbsp;return&nbsp;1;&nbsp;}'</span><span style="color: #007700">)&nbsp;],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'code_ws'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;new&nbsp;</span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">BSON</span><span style="color: #007700">\</span><span style="color: #0000BB">Javascript</span><span style="color: #007700">(</span><span style="color: #DD0000">'function()&nbsp;{&nbsp;return&nbsp;a;&nbsp;}'</span><span style="color: #007700">,&nbsp;[</span><span style="color: #DD0000">'a'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">1</span><span style="color: #007700">])&nbsp;],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'minkey'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;new&nbsp;</span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">BSON</span><span style="color: #007700">\</span><span style="color: #0000BB">MinKey&nbsp;</span><span style="color: #007700">],<br />&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;</span><span style="color: #DD0000">'maxkey'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;new&nbsp;</span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">BSON</span><span style="color: #007700">\</span><span style="color: #0000BB">MaxKey&nbsp;</span><span style="color: #007700">],<br />];<br /><br />foreach&nbsp;(</span><span style="color: #0000BB">$documents&nbsp;</span><span style="color: #007700">as&nbsp;</span><span style="color: #0000BB">$document</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$bson&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">BSON</span><span style="color: #007700">\</span><span style="color: #0000BB">fromPHP</span><span style="color: #007700">(</span><span style="color: #0000BB">$document</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">BSON</span><span style="color: #007700">\</span><span style="color: #0000BB">toRelaxedExtendedJSON</span><span style="color: #007700">(</span><span style="color: #0000BB">$bson</span><span style="color: #007700">),&nbsp;</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
   </div>

   <div class="example-contents"><p>以上例程会输出：</p></div>
   <div class="example-contents screen">
<div class="cdata"><pre>
{ &quot;null&quot; : null }
{ &quot;boolean&quot; : true }
{ &quot;string&quot; : &quot;foo&quot; }
{ &quot;int32&quot; : 123 }
{ &quot;int64&quot; : 4294967295 }
{ &quot;double&quot; : 1.0 }
{ &quot;nan&quot; : { &quot;$numberDouble&quot; : &quot;NaN&quot; } }
{ &quot;pos_inf&quot; : { &quot;$numberDouble&quot; : &quot;Infinity&quot; } }
{ &quot;neg_inf&quot; : { &quot;$numberDouble&quot; : &quot;-Infinity&quot; } }
{ &quot;array&quot; : [ &quot;foo&quot;, &quot;bar&quot; ] }
{ &quot;document&quot; : { &quot;foo&quot; : &quot;bar&quot; } }
{ &quot;oid&quot; : { &quot;$oid&quot; : &quot;56315a7c6118fd1b920270b1&quot; } }
{ &quot;dec128&quot; : { &quot;$numberDecimal&quot; : &quot;1234.5678&quot; } }
{ &quot;binary&quot; : { &quot;$binary&quot; : { &quot;base64&quot;: &quot;Zm9v&quot;, &quot;subType&quot; : &quot;00&quot; } } }
{ &quot;date&quot; : { &quot;$date&quot; : &quot;2015-10-28T00:00:00Z&quot; } }
{ &quot;timestamp&quot; : { &quot;$timestamp&quot; : { &quot;t&quot; : 5678, &quot;i&quot; : 1234 } } }
{ &quot;regex&quot; : { &quot;$regularExpression&quot; : { &quot;pattern&quot; : &quot;pattern&quot;, &quot;options&quot; : &quot;i&quot; } } }
{ &quot;code&quot; : { &quot;$code&quot; : &quot;function() { return 1; }&quot; } }
{ &quot;code_ws&quot; : { &quot;$code&quot; : &quot;function() { return a; }&quot;, &quot;$scope&quot; : { &quot;a&quot; : 1 } } }
{ &quot;minkey&quot; : { &quot;$minKey&quot; : 1 } }
{ &quot;maxkey&quot; : { &quot;$maxKey&quot; : 1 } }
</pre></div>
   </div>
  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.mongodb.bson-torelaxedextendedjson-seealso">
  <h3 class="title">参见</h3>
  <ul class="simplelist">
   <li class="member"><span class="function"><a href="mongodb.bson_fromjson.html" class="function" rel="rdfs-seeAlso">MongoDB\BSON\fromJSON()</a> - Returns the BSON representation of a JSON value</span></li>
   <li class="member"><span class="function"><a href="mongodb.bson_tocanonicalextendedjson.html" class="function" rel="rdfs-seeAlso">MongoDB\BSON\toCanonicalExtendedJSON()</a> - Returns the Canonical Extended JSON representation of a BSON value</span></li>
   <li class="member"><a href="https://github.com/mongodb/specifications/blob/master/source/extended-json.rst" class="link external">&raquo;&nbsp;Extended JSON </a></li>
   <li class="member"><a href="https://docs.mongodb.com/manual/reference/bson-types/" class="link external">&raquo;&nbsp;MongoDB BSON</a></li>
  </ul>
 </div>


</div></div></div></body></html>